Aug 02 00:27:57.645 INFO checking rls-span-0.4.0 against 1.27.2 for lazy_static-1
Aug 02 00:27:57.645 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 00:27:57.645 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 00:27:57.645 INFO running `"docker" "create" "-v" "/tmp/crater.N4XdE6D5f2YO:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 02 00:27:57.893 INFO blam! 6f4779ba1d82b4b528dc2c8477e58f94e72a7fea476a79c828d1474b2e19e0b7
Aug 02 00:27:57.894 INFO running `"docker" "start" "-a" "6f4779ba1d82b4b528dc2c8477e58f94e72a7fea476a79c828d1474b2e19e0b7"`
Aug 02 00:27:59.133 INFO kablam!     Checking rls-span v0.4.0 (file:///source)
Aug 02 00:27:59.553 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 00:27:59.553 INFO kablam!   --> src/lib.rs:12:1
Aug 02 00:27:59.553 INFO kablam!    |
Aug 02 00:27:59.553 INFO kablam! 12 | #![feature(proc_macro)]
Aug 02 00:27:59.553 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 00:27:59.554 INFO kablam! 
Aug 02 00:27:59.556 INFO kablam! error: aborting due to previous error
Aug 02 00:27:59.557 INFO kablam! 
Aug 02 00:27:59.557 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 00:27:59.570 INFO kablam! error: Could not compile `rls-span`.
Aug 02 00:27:59.570 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 00:27:59.573 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 00:27:59.573 INFO kablam!   --> src/lib.rs:12:1
Aug 02 00:27:59.573 INFO kablam!    |
Aug 02 00:27:59.573 INFO kablam! 12 | #![feature(proc_macro)]
Aug 02 00:27:59.573 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 00:27:59.573 INFO kablam! 
Aug 02 00:27:59.575 INFO kablam! error: aborting due to previous error
Aug 02 00:27:59.575 INFO kablam! 
Aug 02 00:27:59.576 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 00:27:59.586 INFO kablam! error: Could not compile `rls-span`.
Aug 02 00:27:59.586 INFO kablam! 
Aug 02 00:27:59.586 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 00:27:59.589 INFO kablam! su: No module specific data is present
Aug 02 00:28:00.163 INFO running `"docker" "rm" "-f" "6f4779ba1d82b4b528dc2c8477e58f94e72a7fea476a79c828d1474b2e19e0b7"`
Aug 02 00:28:00.335 INFO blam! 6f4779ba1d82b4b528dc2c8477e58f94e72a7fea476a79c828d1474b2e19e0b7